HAL Id: hal-00505543
https://hal.archives-ouvertes.fr/hal-00505543
Submitted on 24 Jul 2010
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Conductance of disordered semiconducting nanowires
and carbon nanotubes: a chain of quantum dots
J.-F. Dayen, T.L. Wade, G. Rizza, D.S. Golubev, C.-S. Cojocaru, D. Pribat,
X. Jehl, M. Sanquer, J.-E. Wegrowe
To cite this version:
J.-F. Dayen, T.L. Wade, G. Rizza, D.S. Golubev, C.-S. Cojocaru, et al.. Conductance of disordered semiconducting nanowires and carbon nanotubes: a chain of quantum dots. European Physical Jour-nal: Applied Physics, EDP Sciences, 2009, 48 (1), pp.1-14. �10.1051/epjap/2009132�. �hal-00505543�
Te (40 nm) Si (30 nm) b) c) 1.1 1.9 0.1 1 10 4,2K 6,2K 10,2K 8,2K 12,2K 14,2K eV/kT 100 a) CNT (30 nm) 1.8 3 0.01 0.1 10 100 4.2K 8.2K 18.2K
eV/kT
10-10 10-9 10-8 10-7 10-6 10-5 10-4 1 10 100 G(!-1) T(K) 12 1/T 14 16 18 20 22 0 0,5 1 1,5 2 -ln(G) E a=0,45 meV 10-11 10-10 10-9 10-8 10-7 10-6 10-5 1 10 activation law T -1,2 10-11 10-10 10-9 10-8 10-7 10-6 10-5 1 10 activation law G(!-1) T(K) T -2,5 14 16 18 20 22 24 0.2 0.4 0.6 0.8 1 1.2 1.4 -ln(G) 1/T E a=0.81meV 10-5 10-4 0.1 1 10 100 activation law G(!-1)
T(K)
T -0,12 10 10.5 11 11.5 12 1 1.5 2 2.5 3 3.5 4 4.5 (1/T)1/2 -ln(G) 10-9 10-8 10-7 10-6 10-5 10-4 0.1 1 10 100 T -1,1G(!
-1)
T(K) activation law 14 16 18 20 22 24 1 1,5 2 2,5 3 3,5 -ln(G) 1/T 10-10 10-9 10-8 10-7 10-6 10-5 1 10 T -2 activation law G(!-1)T(K)
-ln(G) 1/T E a=0.82meV 14 16 18 20 22 24 0 0,2 0,4 0,6 0,8 1 1,2 10-10 10-9 10-8 10-7 10-6 10-5 10-4 0.1 1 10 T -0.85 activation lawG(!
-1)
T(K)
-ln(G) 1/T 14 15 16 17 18 19 20 13 14 15 16 17 18 19 20 E a=0,08meVa)
b)
c)
d)
e)
f)
b)
10
10.5
11
11.5
12
1
2
3
4
5
(1/T)
1/2
ln(R)
-ln(G)
10-9 10-8 10-7 10-6 10-5 10-4 -10 -5 0 5 10